1. Symposium: a drinking party ..., OED
2. Gallie, W.B. (1956).Proceedings of the Aristotelian Society.
3. Stocking,B., Jennett,B. and Spiby,J. (1991).Criteria for Change: the History and Impact of Consensus Development Conferences in the UK, King's Fund Centre.
4. Foster, P. (1996). Is there a future for radical health promotion?Health Care Analysis 4(2), 120–126.
5. Robertson, J. (1985).Future Work, Gower/Temple Smith.